757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 2(69)

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 (40) Remove the door locks and close the landing gear doors (AMM 32-00-15).
 S 025-221
 CAUTION:_______DO NOT OPERATE THE AIRPLANE WITH THE JUMPER INSTALLED. IF THE JUMPER IS NOT REMOVED FROM THE AIRPLANE PRIOR TO FLIGHT AND A SINGLE ELECTRICAL GENERATOR FAILURE OCCURS DURING FLIGHT, THE REMAINING GENERATOR COULD BE OVERLOADED AND THE ELECTRICAL SYSTEM REDUNDANCY OF THE AIRPLANE COULD BE SIGNIFICANTLY REDUCED.
 (41)
 On the P31 panel, remove the test jumper between the D2934 connector and the M10006 ELCU. Restore the D2934 connector to the M10006 ELCU.

 S 865-222

 (42)
 Make sure the Center System ACMP control circuit is restored by doing the following:

 (a)  
Provide airplane electrical power from a single airplane generator.

 (b)  
Turn all (Left, Right, Center C1, C2) ACMP's to ON.

 (c)  
Check that the C2 ACMP is shut down and indicates a low pressure.

 

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757
MAINTENANCE MANUAL

 (d)  
Turn the C1 ACMP to off, check that it shuts down and indicates a low pressure.

 (e)  
Check that the C2 ACMP comes on, the low pressure light is off and that the pump indicates full pressure.

 (f)  
Turn all (Left, Right, Center C1, C2) ACMP's to OFF.

 G. Put the Airplane Back to its Usual Condition.
 S 865-205
 (1)
Remove hydraulic power, if it is not necessary (AMM 29-11-00/201).

 S 865-206

 (2)  
Remove electrical power, if it is not necessary (AMM 24-22-00/201).

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757 MAINTENANCE MANUAL
 RAM AIR TURBINE (RAT) ASSEMBLY AND COMPONENTS - REMOVAL/INSTALLATION
____________________________________________________________________
 1.  General_______
 A.  This procedure contains two tasks one to remove and one to install the ram air turbine (RAT) assembly, hydraulic pump, and turbine hub.
 TASK 29-21-01-024-001
 2.  Remove the Ram Air Turbine (RAT) Assembly, Hydraulic Pump, and Turbine Hub__________________________________________________________________________
 A.  General
 (1)  This task contains three procedures, one to remove the RAT assembly, one to remove the hydraulic pump, and one to remove the turbine hub. Because this task contains three procedures, only the applicable group of steps must be done.
 To start one of these procedures, do the "Prepare for the Removal" group of steps. Then, do the group of steps that is necessary to remove the component.
 B.  Equipment
 (1)  
Wrench (optional):

 (a)  
Wrench - WAS-33662
 Sundstrand Corp.
 Rockford, Illinois

 (b)  
7/16-inch Thin-wall Socket Wrench -Commercially Available

 

 (2)  
　
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